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Finding the Third Proportional to 766.83 and 1,656.28

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Solution

The third proportional to 766.83 and 1,656.28 is: 3,577.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    766.83 : 1,656.28 = 1,656.28 : x
  2. Step 2: Convert to fraction form
    766.83/1,656.28 = 1,656.28/x
  3. Step 3: Cross multiply
    766.83x = 1,656.28 × 1,656.28
  4. Step 4: Simplify right side
    766.83x = 2,743,267.58
  5. Step 5: Solve for x
    x = 2,743,267.58/766.83
  6. Step 6: Final answer
    x = 3,577.42

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.